2025-05-19 |
hst_1242.pmap |
latest |
Delivery of new STIS ccd bias and dark reference files from CCD data taken between April 18, 2025 to May 14, 2025. The files were generated from data taken in the same time frame under STIS calibration programs 17632, 17633, and 17630. |
2025-05-16 |
hst_1241.pmap |
archived |
This new bad pixel table with USEAFTER of April 3, 2025 was generated using data taken from April 4, 2025, through May 3, 2025. Currently, the Calibration Reference Data System only has WFC3 UVIS bad pixel reference tables up to a USEAFTER date of March 29, 2025. The automated pipeline should now use this reference file as the bad pixel table on any UVIS datasets obtained from April 3, 2025 to present because it represents the most accurate measure of pixel stability at the time of the science observation. These WFC3 UVIS bad pixel files were generated using 900 second dark exposures from the HST cycle 32 daily monitoring programs 17665 and 17668. More information about the UVIS bad pixel tables is outlined in the WFC3 ISR 2018.15 and WFC3 ISR 2021.14.
These WFC3 UVIS superdarks will affect all UVIS data taken from April 3, 2025 to April 30, 2025. Currently, the automated calibration pipeline and CRDS have only WFC3 UVIS drk and dkc reference files with USEAFTER dates of up to March 30, 2025. The automated pipeline should now use these reference files to perform dark subtraction on any UVIS datasets obtained between the dates above, as they represent the most accurate picture of dark current and hot pixels for this time period. These WFC3 UVIS drk and dkc files were generated using dark exposures from HST Cycle 32 CAL programs 17665 and 17668. More information regarding the method used to create the UVIS dark calibration reference files can be found in WFC3 ISR 2016-08. Additionally, the header of each reference file contains a detailed history section outlining the process, and provides a list of data used to create each file. |
2025-05-15 |
hst_1239.pmap |
archived |
Updated COS synphot files for ETC 33.2. These include throughput changes due to updating the FUV TDSTAB 250327_tdstab.fits, FLUXTAB, and DISPTAB for LP2 lp2_phot_250327.fits, lp2_250206_disp_hdu.fits, LP3 lp3_phot_250327.fits, lp3_240604_disp_hdu.fits, LP4 lp4_phot_250327.fits, lp4_240313_disp_hdu.fits, LP5 lp5_phot_250327.fits, lp5_231215_disp_hdu.fits, and LP6 lp6_phot_250327.fits, lp6_231212_disp_hdu.fits. These are evaluated at MJD=61131. |
2025-05-15 |
hst_1238.pmap |
archived |
The ACS WFC bias, dark, CTE dark, and sink files were generated following the ACS WFC anneal on May 6, 2025, and should be used to calibrate ACS WFC observations taken between April 7, 2025 and May 6, 2025. |